题解 | #单词倒排#

#include<iostream>
#include<sstream>
#include<vector>
using namespace std;
int main()
{
    vector<string> word;
    string ch;
    string str;
    getline(cin,ch);
    for(int i=0;i<ch.size();i++)
    {
        if(ch[i]>='a'&&ch[i]<='z'){}
        else if(ch[i]>='A'&&ch[i]<='Z'){}
        else
        {
            ch[i]=' ';
        }
    }
    stringstream input(ch);
    while(input>>str)
    {
        word.push_back(str);
    }
    for(int i=word.size()-1;i>-1;i--)
    {
        cout<<word[i]<<' ';
    }
}